Agilent Technologies 8590L - Page 276

Chapter 5 277
Troubleshooting the IF Section
Troubleshooting the A15 Motherboard Assembly
ADR3 37
42
c
43
ADR4 8
13
c
14
ANA_TEST 31
31
c
AUX_IF
22
b, c
30
AUX_IF_BP
22
b, c
AUX_VIDEO
b
7
c
7
BW5
24
c
30 30
BW6
54
c
31 31
BW7
25
c
32 32
COUNT_IF
b
CRD_ANLG_1
3
c
3
CRD_ANLG_2
5
c
5
DCOM 11,
16,
35,
38,
43, 48
14-17,
33-36
16,
21,
40,
43,
48, 53
17, 22,
41, 44,
49, 54
DISCRIMINATO
R
21
28
c
EXT_HSWP
b
FAN
b
8
c
WRUP 50
37
c
54 55
HSWP
b
58
c
57
IFA1
58
c
4
IFA2
29
c
3
Table 5-7 A15 Motherboard Pin Designations (Continued)
Mnemonic Instrument Assemblies Card
Cages
a
A7 A8 A9 A11 A12 A13 A14 A16 Slots 1,
2, 3, 4
A15J1
A15J13
A15J7 A15J8 A15J9
A15J10 A15J11 A15J12
A15J2
A15J3,
4, 5, 6